RAGBRAI: Thin line between love, hate on a bike

Since the beginning, couples have toughed out RAGBRAI together...but does it strengthen a relationship or push it over the edge?

http://www.marcoislandflorida.com/VideoNetwork/2548717607001/RAGBRAI-Thin-line-between-love-hate-on-a-bikehttp://www.marcoislandflorida.com/VideoNetwork/2548717607001/RAGBRAI-Thin-line-between-love-hate-on-a-bikehttp://bc_gvpc.edgesuite.net/img/963482463001/201307/3736/963482463001_2548709053001_thumbnail-for-video-2548505823001.jpgRAGBRAI: Thin line between love, hate on a bikeSince the beginning, couples have toughed out RAGBRAI together...but does it strengthen a relationship or push it over the edge?6RAGBRAI XLIiowaDesMoinesRegister.comsportsRagbraivpcRAGBRAI2013National NewsDes Moines RegisterVPCRAGBRAI02:08